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Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang )

US / Remote💼 Full-time🗓 2021-02-11 → 2026-09-25

Core

Senior Blockchain Security Engineer auditing smart contracts, blockchain protocols, and dApps to identify vulnerabilities, building security tools, and conducting independent research.

Role type

Senior IC blockchain security engineer

Builds

Security tools, frameworks, and audit reports for Web3 projects

Domain

Web3 / Decentralized Finance / Blockchain infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery

Required skills

Smart contract auditing, threat modeling, risk assessment, security analysis, Rust, Go, Solidity, Python

Preferred skills

Cryptography, cybersecurity, published CVEs, Attackathon/Bug Bounty/Audit Contest experience

Technologies

EVM chains, Solana, Move, Cosmos, SDKs

Responsibilities

Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities; Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies; Conduct independent security research, explore new attack vectors, and deliver actionable insights; Design, develop, and maintain internal security tools and frameworks to strengthen our security services; Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships.

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